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  • Animal Kingdom: Invertebrates
  • The relatively soft skeleton of bath sponges are made of ...
Multiple choice

The relatively soft skeleton of bath sponges are made of ___________.

  1. calcareous spicules

  2. siliceous spicules

  3. sponging fibres

  4. tissues

  5. None of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The relatively soft skeleton of bath sponges are made of Sponging fibres.

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